If worm helix angle is 30⁰, then worm should have at least ___ thre – McqOptions

MCQOPTIONS

1.	If worm helix angle is 30⁰, then worm should have at least ___ threads.
A.	5
B.	6
C.	7
D.	8
Answer» B. 6

Discussion

No Comment Found

Related MCQs

Find the maximum efficiency if the lead angle is given to be 10° and the coefficient of friction is 0.07.
Calculate the lead angle of the worm gear for maximum efficiency if θ = 90° and the coefficient of friction is 0.05.
For a two start worm gear having a pitch of 20 mm and a lead angle 12°, find the centre distance if the larger gear has 25 teeth.
Find the speed of the gear if the worm is a three start worm rotating at 500 rpm. The gear has 20 teeth.
Find the helix angle of the worm if the pitch of the worm gear is 12 mm and the pitch diameter is 50 mm.
What is the formula to calculate maximum efficiency of a worm gear?
When large gear reductions are needed _________ gears are used.
If tangential force on worm is 1500N, then axial force on worm wheel will be?
A pair of worm gear is written as 2/40/12/6. Calculate the root diameter of the worm wheel.
A pair of worm gear is written as 2/40/12/6. Calculate the throat diameter of the worm wheel.